It can also be depleted by chronic stress, alcohol, smoking, digestive issues, cardiovascular disease, illness, and aging because stomach acid production decreases with age, reducing B12 absorption significantly
As first described back in the 1950s, about one in ten people erupted in acne within days or even hours of getting an injection of vitamin B12, but it disappeared rapidly when the B12 shots stopped
It is used to restore vitamin B1, B6 and/or B12 levels
Severe allergic reaction/anaphylaxis Symptoms may include: Difficulty breathing or swallowing Swelling of the face, lips, tongue, or throat Severe rash, itching, or hives Chest tightness or palpitations
This increase occurs partly because stomach acid production decreases with age, reducing B12 absorption from food
The FDA has proposed excluding these ingredients from the 503B Bulks List used by large outsourcing facilities